Safety and Immune Response of Novartis MenACWY-CRM Conjugate Vaccine When Given to Healthy Toddlers

This study has been completed.

Sponsor:

Novartis Vaccines

ClinicalTrials.gov Identifier:

NCT00626327

First Posted: February 29, 2008

Last Update Posted: April 19, 2013

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
Read our disclaimer for details.

Percentages of Subjects With a Seroresponse to Measles, Mumps, Rubella and Varicella Following Concomitant Administration of MMRV Vaccine With MenACWY-CRM Vaccine [ Time Frame: 6 weeks post vaccination ]

Percentages of subjects with seroresponses to measles, mumps, rubella and varicella after one dose of MMRV vaccine (at 12 months) when given concomitantly with MenACWY-CRM vaccine compared to when MMRV vaccine was given alone, are reported.

Seroresponse was defined as the percentage of initially seronegative subjects who show seroconversion to measles (≥255 mIU/mL), mumps (≥10 ELISA Ab units), rubella (≥10 IU/mL) and the percentage of initially seronegative subjects who show seroprotection (≥5 gp ELISA units/mL) for varicella.

Immunogenicity to measles, mumps, rubella and varicella at 6 weeks after vaccination with one dose of MMRV given concomitantly with MenACWY-CRM was considered non-inferior to immunogenicity of MMRV administered alone if the lower limit of two-sided 95% CI of the difference in the percentage of subjects with seroconversion for measles, mumps, and rubella, and seroprotection for varicella was greater than -5% (measles, mumps and rubella) and -10% (varicella).

Percentages of subjects with hSBA ≥1:8, against N.meningitidis serogroups A, C, W-135, and Y following two doses of MenACWY-CRM vaccine (at 7-9 months and 12 months) when concomitantly administered with MMRV vaccine (12 months) compared to when MenACWY-CRM vaccine was given alone, are reported.

The immune response of MenACWY-CRM given concomitantly with MMRV was considered non-inferior to the immunogenicity of MenACWY-CRM administered alone if the lower limit of the two-sided 95% CI around the difference of the percentage of subjects with hSBA ≥1:8 at 6 weeks after the second dose of MenACWY-CRM given to 12-month old toddlers {P MMRV+MenACWY minus P MenACWY} was greater than -10% for each serogroup.

The antibody response following two doses of MenACWY-CRM vaccine (at 7-9 months and 12 months) was considered adequate if the lower limit of the two-sided 95% CI for the percentage of subjects with hSBA ≥1:8, at 6 weeks following the second dose of MenACWY-CRM, was greater than 85% for serogroups C, W-135, or Y and greater than 65% for serogroup A.

The percentages of subjects with hSBA ≥1:4 directed against N. meningitidis serogroups A, C, W-135, and Y following two doses of MenACWY-CRM vaccine (at 7-9 and 12 months of age) when given concomitantly with MMRV vaccine (at 12 months) compared to when MenACWY-CRM vaccine was given alone, are reported.

The geometric mean titers (GMTs) directed against N.meningitidis serogroups A, C, W-135 and Y, following two doses of MenACWY-CRM vaccine (at 7-9 months and 12 months of age), when given concomitantly with MMRV vaccine (at 12 months) compared to when MenACWY-CRM vaccine was given alone, are reported.

The GMTs directed against measles, mumps, rubella and varicella, following one dose of MMRV vaccine (at 12 months) when given concomitantly with MenACWY-CRM vaccine compared to when MMRV vaccine was given alone, are reported.

The percentages of subjects showing seroconversion response to varicella after concomitant administration of MMRV vaccine (at 12 months) with MenACWY-CRM vaccine compared to when MMRV vaccine is given alone, is reported .

The immunogenicity of one dose of MenACWY-CRM vaccine given at 7 to 9 months of age was assessed in terms of GMTs directed against N.meningitidis serogroups A, C, W-135, and Y.

Number of Subjects Reporting Solicited Local and Systemic Adverse Events After Vaccination [ Time Frame: upto 7 days after any vaccination ]

Safety and tolerability of MenACWY-CRM and MMRV vaccines when given concomitantly compared to when either MenACWY-CRM or MMRV vaccine was administered alone is reported in terms of the number of subjects with local and systemic adverse events after vaccination.

Systemic reactions including axillary temperature reported during 28 days after vaccination at 12 months of age. These included the following systemic reactions: Measles-like rash, Rubella-like rash, Varicellalike rash, injection site rash, Mumps-like symptoms and axillary temperature.

Number of Subjects Reporting Unsolicited Adverse Events After Vaccination [ Time Frame: Day 1- Day 180 (Through out the study) ]

The safety profile of MenACWY-CRM and MMRV vaccines when given concomitantly as compared to when MenACWY-CRM or MMRV was given alone is reported in terms of number of subjects reporting unsolicited adverse events (AEs), medically significant adverse events and serious adverse events (SAEs) after vaccination.

One injection of MenACWY-CRM vaccine at 7-9 months of age; the second injection of MenACWY-CRM vaccine concomitantly administered with MMRV (Measles, Mumps, Rubella and Varicella) vaccine at 12 months of age.

Biological: MMRV

one injection of MMRV (Measles, Mumps, Rubella and Varicella) vaccine at 12 months of age

Biological: MenACWY-CRM

Two injections of MenACWY-CRM at 7-9 months and 12 months of age; one injection of MMRV (Measles, Mumps, Rubella and Varicella) at 13.5 months of age

Study Arms

Experimental: MenACWY-CRM+ MMRV

Intervention: Biological: MenACWY-CRM + MMRV

Active Comparator: MMRV

Intervention: Biological: MMRV

Experimental: MenACWY-CRM

Intervention: Biological: MenACWY-CRM

Publications *

Not Provided

* Includes publications given by the data provider as well as publications
identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.

Recruitment Information

Recruitment Status ICMJE

Completed

Enrollment ICMJE

1630

Completion Date

October 2010

Primary Completion Date

July 2010 (Final data collection date for primary outcome measure)

Eligibility Criteria ICMJE

Inclusion Criteria:

who are healthy 7 to 9 months old or 12 months old (inclusive plus 14 days) and for whom, after the nature of the study has been explained, the parent or legal guardian has provided written informed consent;

who have received complete primary vaccination with recommended licensed vaccines;

who are available for all visits and telephone calls scheduled for the study;

Exclusion Criteria:

whose parent or legal guardian is unwilling or unable to give written informed assent consent